OSRAM is the number 1 automotive bulb manufacturer in the world, supplying automotive light bulbs to vehicle manufacturers for new cars and trucks. OSRAM products are successfully used in millions of vehicles globally produced by all of the major car manufacturers. The OSRAM 7506 (P21W-382) bulb sold here is the same one that is supplied to the vehicle manufacturers and offers an excellent price to performance ratio with outstanding quality. The combination of first class quality, impressive brightness and reliable life gives the Osram Original Equipment products a real advantage over many other bulbs on the market.